November 5, 2023
Category : PHP
How to Upload and Resize Image in PHP?
Hey Folks,
This article is focused on php resize image upload script. I explained simply about php resize image before move_uploaded_file. you will learn upload and resize image in php example. you will learn image resize in php example.
After a long time i am going to share something with you friends. But Anyway Today i will show you how to generate thumbnail image in PHP. Here i will make very simple code to upload image and resize that image too.
As we know well images are very important to display on our website. As specially when if you require small size of image and you are displaying big image then it can be take more time to load. So your photos should be resize able or need to generate thumbnail when user upload those images. So here i will explain how to create thumbnail image in your code php project.
Here, i use core php code so you can easily use in your project or any php framework like laravel, codeigniter, cackephp etc. In this example i will create two file as listed bellow:
index.php
pro.php
In this example you can generate thumbnail image of png, jpg, jpeg, gif too. So make sure you have to upload with given extension. So just let's see bellow code and copy paste in your file then check it.
index.php
<!DOCTYPE html>
<html>
<head>
<title>PHP Image resize to upload</title>
</head>
<body>
<div class="container">
<form action="pro.php" method="post" enctype="multipart/form-data">
<input type="file" name="image" />
<input type="submit" name="submit" value="Submit" />
</form>
</div>
</body>
</html>
pro.php
<?php
if(isset($_POST["submit"])) {
if(is_array($_FILES)) {
$file = $_FILES['image']['tmp_name'];
$sourceProperties = getimagesize($file);
$fileNewName = time();
$folderPath = "upload/";
$ext = pathinfo($_FILES['image']['name'], PATHINFO_EXTENSION);
$imageType = $sourceProperties[2];
switch ($imageType) {
case IMAGETYPE_PNG:
$imageResourceId = imagecreatefrompng($file);
$targetLayer = imageResize($imageResourceId,$sourceProperties[0],$sourceProperties[1]);
imagepng($targetLayer,$folderPath. $fileNewName. "_thump.". $ext);
break;
case IMAGETYPE_GIF:
$imageResourceId = imagecreatefromgif($file);
$targetLayer = imageResize($imageResourceId,$sourceProperties[0],$sourceProperties[1]);
imagegif($targetLayer,$folderPath. $fileNewName. "_thump.". $ext);
break;
case IMAGETYPE_JPEG:
$imageResourceId = imagecreatefromjpeg($file);
$targetLayer = imageResize($imageResourceId,$sourceProperties[0],$sourceProperties[1]);
imagejpeg($targetLayer,$folderPath. $fileNewName. "_thump.". $ext);
break;
default:
echo "Invalid Image type.";
exit;
break;
}
move_uploaded_file($file, $folderPath. $fileNewName. ".". $ext);
echo "Image Resize Successfully.";
}
}
function imageResize($imageResourceId,$width,$height) {
$targetWidth =200;
$targetHeight =200;
$targetLayer=imagecreatetruecolor($targetWidth,$targetHeight);
imagecopyresampled($targetLayer,$imageResourceId,0,0,0,0,$targetWidth,$targetHeight, $width,$height);
return $targetLayer;
}
?>
Create Upload Folder
In this step, you don't have to do more, you have to simple create "upload" folder in your root directory. So let's simple create upload folder now.
Run PHP App:
All the required steps have been done, now you have to type the given below command and hit enter to run the PHP app:
php -S localhost:8000
Now, Go to your web browser, type the given URL and view the app output:
http://localhost:8000
I hope it can help you...
Hardik Savani
I'm a full-stack developer, entrepreneur and owner of ItSolutionstuff.com. I live in India and I love to write tutorials and tips that can help to other artisan. I am a big fan of PHP, Laravel, Angular, Vue, Node, Javascript, JQuery, Codeigniter and Bootstrap from the early stage. I believe in Hardworking and Consistency.
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